Global Patent Index - EP 0634243 B1

EP 0634243 B1 19970604 - Electrode tube for electrical discharge machining and manufacturing method thereof

Title (en)

Electrode tube for electrical discharge machining and manufacturing method thereof

Title (de)

Rohrelektrode für Funkenerosionsbearbeitung und Verfahren zur Herstellung derselben

Title (fr)

Electrode en forme de tube pour usinage par électroérosion et procédé de fabrication de cette électrode

Publication

EP 0634243 B1 19970604 (EN)

Application

EP 94110762 A 19940711

Priority

JP 19690293 A 19930714

Abstract (en)

[origin: EP0634243A1] Electrode tube for electrical discharge machining (1) includes an outer peripheral portion (2), a plurality of rail like portions (3) projecting from outer peripheral portion (2) toward the central axis of the tube, these rail like portions (3) are formed integrally with the outer peripheral portion (2) and the space inside the tube is substantially divided into a plurality of through holes (4) along the central axis by the plurality of rail like portions (3). <IMAGE>

IPC 1-7

B23H 1/04; B23H 9/14

IPC 8 full level

B23H 1/04 (2006.01); B23H 7/22 (2006.01); B23H 9/14 (2006.01)

CPC (source: EP US)

B23H 1/04 (2013.01 - EP US); B23H 9/14 (2013.01 - EP US); Y10T 29/49002 (2015.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0634243 A1 19950118; EP 0634243 B1 19970604; DE 69403565 D1 19970710; DE 69403565 T2 19971218; JP H0724640 A 19950127; SG 49100 A1 19980518; TW 279819 B 19960701; US 5514845 A 19960507

DOCDB simple family (application)

EP 94110762 A 19940711; DE 69403565 T 19940711; JP 19690293 A 19930714; SG 1996006003 A 19940711; TW 83106308 A 19940712; US 27148794 A 19940707